aggregation problem introduces a bias into standard measures of firm productivity. We develop a theoretical model of heterogeneous …

agglomeration benefits of the spatial variation in firm level nominal wages. Unusually detailed intermediate input data allow us to …

to the legacy of communism where over-manning levels of employment were the norm. This Paper sheds light on whether the … further use the Olley-Pakes methodology to estimate total factor productivity (TFP) and show that TFP has increased in most …

productivity is correlated with product fixed costs, with the most productive firms choosing to make the products with the highest …

firm performance. Using firm level data on employment, capita, and output, census data on informal employment at the city … labour productivity. We control for different regional and firm characteristics, and we instrument enforcement with the … it is likely to contribute to an improvement in productivity. …

1990, we find that at the urban level richer diversity is systematically associated with higher average nominal wages for … the positive correlation between wages and diversity survives a battery of robustness checks, it seems to be larger once … foreign cultures have been assimilated. Finally, instrumental variable estimation hints at causation going from diversity to …

high wages), and if few good jobs are available, workers have little incentive to acquire skills. In this context, the …